28581200

素因数分解:

$2^4\times 5^2\times {\mathrm{71453}}^1$

素因数の和:71471

約数の個数: 30

約数和(自身を含む): 68667294

約数和(自身を除く): 40086094

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71453, 142906, 285812, 357265, 571624, 714530, 1143248, 1429060, 1786325, 2858120, 3572650, 5716240, 7145300, 14290600, 28581200]

約数ペア:

[(1, 28581200), (2, 14290600), (4, 7145300), (5, 5716240), (8, 3572650), (10, 2858120), (16, 1786325), (20, 1429060), (25, 1143248), (40, 714530), (50, 571624), (80, 357265), (100, 285812), (200, 142906), (400, 71453)]